air conditioning stinks - Ford Powerstroke Diesel Forum
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post #1 of 6 Old 06-10-2011, 02:12 PM Thread Starter
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air conditioning stinks

Over the last week, when i first start my truck it blows out nasty mildew smelling air for the first 30 or so seconds. Had the truck since last fall and it never smelt like that till recently when i've really started using the ac. Any ideas?

08 F250 6.4 Lariat
4" AFE Downpipe back Exhaust
S&B intake
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post #2 of 6 Old 06-10-2011, 02:29 PM
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I have noticed that on mine, but its 12 years old. I figure its the insuation inside that got wet or something?

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post #3 of 6 Old 06-10-2011, 02:44 PM
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bomb your truck! condensation gathers in the vents and eventually starts to stink like ***.
they have this super whammy air freshner that you "bomb" your truck with.
you do it buy spraying the whole can of freshner in the truck with it running and the ac on recirculate full blast. that way the freshner gets down into the vents and takes the stink out. after you bomb it roll all the windows down and let it sit for about an hour that way the smell wont over power you. works like a champ. just did it to my truck before it went kaplooie.
you can get that stuff at any parts house. ask the employee there for the air freshner bomb.

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post #4 of 6 Old 06-23-2011, 07:20 AM
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you should be able to stop that oder from starting by turning off the AC and running just the vents for several minutes before you turn off the truck. it will give the AC system enough time to dry out and you won't get that smell. i started do this with all my vehicles and no longer get that smell.
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post #5 of 6 Old 06-23-2011, 07:30 AM Fanatic
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I have seen car washes spray Ozium into the outside air intake vents at the bottem of the windshield. Not sure if it worked or not but seemed like it would. That Ozium stuff is pretty strong.
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post #6 of 6 Old 06-23-2011, 07:31 AM
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I was told once to run your vents on low and then spray bleach (in limited quantities) into the air intake in the wiper cowl. The bleached air will get drawn into the system and help eliminate that musty smell. Do this ever so often. Works well - Make sure your windows are down in the truck so you don't end up with bleach smell in the truck for too long.

You can stretch that interval out by doing what wide body described.

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